Virgin Money Giving has teamed up with Holly Branson to launch its new mobile website, designed in partnership with Usablenet, which will allow charities of all sizes take advantage of digital technology to boost donations in difficult economic circumstances. This comes as charitable donations are reported to be at their lowest in real terms since 2004-5.     Virgin Money Giving, the not-for-profit online donation service, is partnering with its patron Holly Branson to launch its mobile website. The newly optimised site, created in partnership with mobile and multichannel leader, Usablenet, will support fundraisers by providing a greater choice for donating ahead of the Virgin London Marathon and for other…